.grades-container {
  .select-card,
  .grades-list {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    &:hover {
      border-color: rgba(255, 255, 255, 0.2);
      box-shadow: 
        0 15px 30px rgba(0, 0, 0, 0.2),
        0 0 30px rgba(64, 158, 255, 0.1);
    }
  }
  
  .action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    
    .course-info {
      h3 {
        margin: 0;
        font-size: 20px;
        color: var(--el-text-color-primary);
        margin-bottom: 5px;
      }
      
      p {
        margin: 0;
        font-size: 14px;
        color: var(--el-text-color-secondary);
      }
    }
  }
  
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    
    span {
      font-size: 18px;
      font-weight: 500;
      background: linear-gradient(45deg, #409EFF, #67C23A);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 1px;
    }
  }
  
  :deep(.el-table) {
    background-color: transparent;
    
    th, td {
      background-color: transparent;
      transition: background-color 0.3s ease;
    }
    
    th {
      background-color: rgba(255, 255, 255, 0.02);
      color: var(--el-text-color-regular);
      font-weight: 600;
    }
    
    td {
      color: var(--el-text-color-primary);
    }
    
    tr:hover > td {
      background-color: rgba(255, 255, 255, 0.05) !important;
    }
    
    .el-table__row {
      transition: transform 0.3s ease;
      
      &:hover {
        transform: translateX(5px);
      }
    }
  }
  
  .statistics {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    
    :deep(.el-descriptions) {
      --el-descriptions-item-bordered-label-background: rgba(255, 255, 255, 0.05);
      
      .el-descriptions__label {
        color: var(--el-text-color-regular);
      }
      
      .el-descriptions__content {
        color: var(--el-text-color-primary);
      }
    }
  }
} 